- Maximum Damage Range: more damage
- Headshot multiplier increased from 1.15x to 1.16x.
- Sprint to Fire Time improved from 253ms to 240ms.
- Tactical Sprint to Fire Time improved from 374ms to 350ms.
Weapons / Assault Rifle
MK35 ISR
1 · PICK YOUR STYLE
2 · SET YOUR WEAPON LEVEL
Close range at LV 42: 5 of 5 final
Level
LV 42
142
Unlocked 41/41
Complete
SC // WEAPON INTEL
GUNSMITH · LV 42
LOADOUT BUILDER
Your build · 5/5
S100/100 · Excellent100% match with our Close range build
Laser2mw Adaptive Tactical LaserLV 22
Barrel15.3" Weaver-2R BarrelLV 21
StockCourser Light StockLV 12
Rear GripR-V2 Quick GripLV 25
MagazineLibate-RT Fast MagLV 6
Laser
5 of 5 unlocked at LV 42
LV 2Convergence Box LaserSteady laser: steadier aim while aiming down sights. (Steady Aim Laser)Unlocked
LV 105mW Lockstep LaserSteady laser: steadier aim while aiming down sights. (Strelok Laser)Unlocked
LV 171mW Instinct Laser ArrayHandling laser: faster aiming and sprint-to-fire (visible laser). (Handling Laser)Unlocked
LV 222mw Adaptive Tactical LaserTactical laser: faster aiming in tactical stance (visible laser). (Tactical Laser)Unlocked
LV 333mW Motion Strike LaserSteady laser: steadier aim while aiming down sights. (Stable Range Laser)Unlocked
PERFORMANCE
Damage range
Latest balance changes
Full history (1)Alternatives in this class
All weapons
MK35 ISR FAQ
What is the best MK35 ISR build?
We have ready builds for the MK35 ISR: mid range, close range. Pick a style and your weapon level in the lab above and we equip the right parts for that level, with stand-ins until the parts unlock.
What is the MK35 ISR max level?
The MK35 ISR maxes out at weapon level 42. After that you can enter weapon prestige and unlock its prestige attachment.
How many attachments does the MK35 ISR have?
We list 46 compatible attachments for the MK35 ISR across 8 slots, each with its unlock level and what it does.
What is the MK35 ISR prestige attachment?
The prestige attachment is the 19” MFS Nightfall Suppressed Barrel. It unlocks after you reach max level and enter weapon prestige.
Was the MK35 ISR changed recently?
The last official change to the MK35 ISR was in Season 03 (2026-04-21). The patch notes have changed it 1 times since launch — all listed in the History tab.
What are the alternatives to the MK35 ISR?
In the same class: DS20 MIRAGE, AN-94, EGRT-17. Each has its own page with level-by-level builds.
Exact image unavailable — Fire Mods
SPECIAL CODE category presentation — not the exact attachment geometry.
5.56 NATO FMJFire ModsLVL 28
5.56 NATO FMJ
Fire Mods
Unlocked at Weapon Level 28.
FMJ rounds: bullet velocity and range.
View detailsExact image unavailable — Fire Mods
SPECIAL CODE category presentation — not the exact attachment geometry.
5.56 NATO OverpressuredFire ModsLVL 43
5.56 NATO Overpressured
Fire Mods
Unlocked at Weapon Level 43.
High-velocity ammo: faster bullets and more range.
View detailsExact image unavailable — Fire Mods
SPECIAL CODE category presentation — not the exact attachment geometry.
Bolt Carrier GroupFire ModsLVL 19
Bolt Carrier Group
Fire Mods
Unlocked at Weapon Level 19.
Rapid fire: faster fire rate, less range.
View details
Exact image unavailable — Laser
SPECIAL CODE category presentation — not the exact attachment geometry.
3mW Motion Strike LaserLaserLVL 33
3mW Motion Strike Laser
Laser
Unlocked at Weapon Level 33.
Steady laser: steadier aim while aiming down sights.
View detailsExact image unavailable — Laser
SPECIAL CODE category presentation — not the exact attachment geometry.
5mW Lockstep LaserLaserLVL 10
5mW Lockstep Laser
Laser
Unlocked at Weapon Level 10.
Steady laser: steadier aim while aiming down sights.
View detailsExact image unavailable — Laser
SPECIAL CODE category presentation — not the exact attachment geometry.
2mw Adaptive Tactical LaserLaserLVL 22
2mw Adaptive Tactical Laser
Laser
Unlocked at Weapon Level 22.
Tactical laser: faster aiming in tactical stance (visible laser).
View detailsExact image unavailable — Laser
SPECIAL CODE category presentation — not the exact attachment geometry.
1mW Instinct Laser ArrayLaserLVL 17
1mW Instinct Laser Array
Laser
Unlocked at Weapon Level 17.
Handling laser: faster aiming and sprint-to-fire (visible laser).
View details
Exact image unavailable — Stock
SPECIAL CODE category presentation — not the exact attachment geometry.
Greaves Cassin StockStockLVL 8
Greaves Cassin Stock
Stock
Unlocked at Weapon Level 8.
Control stock: less recoil, slower handling.
View detailsExact image unavailable — Stock
SPECIAL CODE category presentation — not the exact attachment geometry.
Forager Hybrid StockStockLVL 31
Forager Hybrid Stock
Stock
Unlocked at Weapon Level 31.
Control stock: less recoil, slower handling.
View detailsExact image unavailable — Stock
SPECIAL CODE category presentation — not the exact attachment geometry.
EAM Stentor Tac StockStockLVL 26
EAM Stentor Tac Stock
Stock
Unlocked at Weapon Level 26.
Tactical stock: better hip-fire and tactical-stance accuracy.
View detailsExact image unavailable — Stock
SPECIAL CODE category presentation — not the exact attachment geometry.
Courser Light StockStockLVL 12
Courser Light Stock
Stock
Unlocked at Weapon Level 12.
Mobility stock: faster movement and sprint.
View detailsExact image unavailable — Stock
SPECIAL CODE category presentation — not the exact attachment geometry.
Bowen ST-Move StockStockLVL 38
Bowen ST-Move Stock
Stock
Unlocked at Weapon Level 38.
Aim-walk stock: faster movement while aiming.
View details
Exact image unavailable — Rear Grip
SPECIAL CODE category presentation — not the exact attachment geometry.
Patchwork Stability GripRear GripLVL 18
Patchwork Stability Grip
Rear Grip
Unlocked at Weapon Level 18.
Stabilization grip: less horizontal recoil, slightly slower aiming.
View detailsExact image unavailable — Rear Grip
SPECIAL CODE category presentation — not the exact attachment geometry.
R-V2 Quick GripRear GripLVL 25
R-V2 Quick Grip
Rear Grip
Unlocked at Weapon Level 25.
Quickdraw grip: faster aim-down-sights.
View detailsExact image unavailable — Rear Grip
SPECIAL CODE category presentation — not the exact attachment geometry.
Sarsen Sprint GripRear GripLVL 7
Sarsen Sprint Grip
Rear Grip
Unlocked at Weapon Level 7.
Sprint-to-fire grip: shoot sooner after sprinting.
View detailsExact image unavailable — Rear Grip
SPECIAL CODE category presentation — not the exact attachment geometry.
VAS Knave Control GripRear GripLVL 41
VAS Knave Control Grip
Rear Grip
Unlocked at Weapon Level 41.
Accuracy grip: less vertical recoil.
View detailsExact image unavailable — Rear Grip
SPECIAL CODE category presentation — not the exact attachment geometry.
Verdugo Brigand GripRear GripLVL 36
Verdugo Brigand Grip
Rear Grip
Unlocked at Weapon Level 36.
Quickdraw grip: faster aim-down-sights.
View details
Exact image unavailable — Magazine
SPECIAL CODE category presentation — not the exact attachment geometry.
Siskin Flip MagMagazineLVL 20
Siskin Flip Mag
Magazine
Unlocked at Weapon Level 20.
Flip mag: more ammo and faster reloads.
View detailsExact image unavailable — Magazine
SPECIAL CODE category presentation — not the exact attachment geometry.
Libate-RT Fast MagMagazineLVL 6
Exact image unavailable — Magazine
SPECIAL CODE category presentation — not the exact attachment geometry.
Gen-X04 Extended MagMagazineLVL 13
Gen-X04 Extended Mag
Magazine
Unlocked at Weapon Level 13.
Extended mag: more ammo per magazine, slower handling.
View detailsExact image unavailable — Magazine
SPECIAL CODE category presentation — not the exact attachment geometry.
Bowen Siren DrumMagazineLVL 29
Bowen Siren Drum
Magazine
Unlocked at Weapon Level 29.
Extended mag: more ammo per magazine, slower handling.
View details
Exact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
Axis Shift Vertical ForegripUnderbarrelLVL 15
Axis Shift Vertical Foregrip
Underbarrel
Unlocked at Weapon Level 15.
Recoil foregrip: less recoil.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
Enhance-32 HandstopUnderbarrelLVL 23
Enhance-32 Handstop
Underbarrel
Unlocked at Weapon Level 23.
Steady foregrip: steadier aim and less sway.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
Envoy ForegripUnderbarrelLVL 37
Envoy Foregrip
Underbarrel
Unlocked at Weapon Level 37.
Mobile recoil foregrip: faster movement with some recoil control.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
Strider HandstopUnderbarrelLVL 42
Strider Handstop
Underbarrel
Unlocked at Weapon Level 42.
Mobility foregrip: faster movement.
View details
SPECIAL CODE
VAS Convergence ForegripOfficial referenceUnderbarrel
VAS Convergence Foregrip
Underbarrel
Unlocked via Weekly Challenge Reward.
No verified effect summary is published for this attachment.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
M335-X CloakUnderbarrelLVL 40
M335-X Cloak
Underbarrel
Unlocked at Weapon Level 40.
No verified effect summary is published for this attachment.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
M335-X Drill ChargeUnderbarrelLVL 32
M335-X Drill Charge
Underbarrel
Unlocked at Weapon Level 32.
No verified effect summary is published for this attachment.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
M335-X FragUnderbarrelLVL 11
M335-X Frag
Underbarrel
Unlocked at Weapon Level 11.
No verified effect summary is published for this attachment.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
M335-X TempestUnderbarrelLVL 27
M335-X Tempest
Underbarrel
Unlocked at Weapon Level 27.
No verified effect summary is published for this attachment.
View detailsExact image unavailable — Barrel
SPECIAL CODE category presentation — not the exact attachment geometry.
16.5" Greaves Bellum BarrelBarrelLVL 14
16.5" Greaves Bellum Barrel
Barrel
Unlocked at Weapon Level 14.
Damage barrel: more damage per hit, more recoil.
View detailsExact image unavailable — Barrel
SPECIAL CODE category presentation — not the exact attachment geometry.
18.7" Bowen Aileron BarrelBarrelLVL 4
18.7" Bowen Aileron Barrel
Barrel
Unlocked at Weapon Level 4.
Long barrel: longer damage range, slower aiming.
View detailsExact image unavailable — Barrel
SPECIAL CODE category presentation — not the exact attachment geometry.
17" LTI Firetail BarrelBarrelLVL 35
17" LTI Firetail Barrel
Barrel
Unlocked at Weapon Level 35.
Hybrid barrel: faster bullets and more range, slightly slower aiming.
View detailsExact image unavailable — Barrel
SPECIAL CODE category presentation — not the exact attachment geometry.
15.3" Weaver-2R BarrelBarrelLVL 21
15.3" Weaver-2R Barrel
Barrel
Unlocked at Weapon Level 21.
Short barrel: faster aiming and movement, shorter damage range.
View detailsExact image unavailable — Barrel
SPECIAL CODE category presentation — not the exact attachment geometry.
17.9" PN-Cursus BarrelBarrelLVL 9
17.9" PN-Cursus Barrel
Barrel
Unlocked at Weapon Level 9.
Velocity barrel: faster bullets for long fights.
View details
SPECIAL CODE
19” MFS Nightfall Suppressed BarrelOfficial referenceBarrel
19” MFS Nightfall Suppressed Barrel
Barrel
Prestige
No verified effect summary is published for this attachment.
View details
SPECIAL CODE
LTI Stentorian BrakeOfficial referenceMuzzle
LTI Stentorian Brake
Muzzle
Unlocked from the Season 4 Battle Pass.
No verified effect summary is published for this attachment.
View details
Exact image unavailable — Muzzle
SPECIAL CODE category presentation — not the exact attachment geometry.
Monolithic SuppressorMuzzleLVL 39
Monolithic Suppressor
Muzzle
Unlocked at Weapon Level 39.
Firepower suppressor: off the minimap, faster bullets and more range, slower aiming.
View detailsExact image unavailable — Muzzle
SPECIAL CODE category presentation — not the exact attachment geometry.
Titan-R 5.56 CompensatorMuzzleLVL 34
Titan-R 5.56 Compensator
Muzzle
Unlocked at Weapon Level 34.
Mobility muzzle: better hip-fire and movement speed.
View detailsExact image unavailable — Muzzle
SPECIAL CODE category presentation — not the exact attachment geometry.
VAS 5.56 SuppressorMuzzleLVL 3
VAS 5.56 Suppressor
Muzzle
Unlocked at Weapon Level 3.
Suppressor: keeps your shots off the minimap.
View detailsExact image unavailable — Muzzle
SPECIAL CODE category presentation — not the exact attachment geometry.
Redwell 5.56 CompensatorMuzzleLVL 16
Redwell 5.56 Compensator
Muzzle
Unlocked at Weapon Level 16.
Compensator: less vertical recoil.
View details
SPECIAL CODE
Redwell Shade-X SuppressorOfficial referenceMuzzle
Redwell Shade-X Suppressor
Muzzle
Unlocked via Weekly Challenge Reward.
Recoil suppressor: off the minimap with less recoil.
View detailsExact image unavailable — Muzzle
SPECIAL CODE category presentation — not the exact attachment geometry.
RL-5.56 BrakeMuzzleLVL 23
RL-5.56 Brake
Muzzle
Unlocked at Weapon Level 23.
Muzzle brake: less gun kick and vertical recoil.
View detailsExact image unavailable — Fire Mods
SPECIAL CODE category presentation — not the exact attachment geometry.
Buffer SpringFire ModsLVL 30
Exact image unavailable — Laser
SPECIAL CODE category presentation — not the exact attachment geometry.
Convergence Box LaserLaserLVL 2
Convergence Box Laser
Laser
Unlocked at Weapon Level 2.
Steady laser: steadier aim while aiming down sights.
View detailsExact image unavailable — Underbarrel
SPECIAL CODE category presentation — not the exact attachment geometry.
H-Lock ForegripUnderbarrelLVL 5
H-Lock Foregrip
Underbarrel
Unlocked at Weapon Level 5.
Steady foregrip: steadier aim and less sway.
View details